Countries and territories where Chinese is an official language

China, officially the '''People's Republic of China (PRC'''), is a country in East Asia. It is the second-most populous country after India, with a population exceeding 1.4 billion, representing 17% of the world's population. China borders fourteen countries by land across an area of , making it the third-largest country by area. The country is divided into 33 province-level divisions: 22 provinces, 5 autonomous regions, 4 municipalities, and 2 semi-autonomous special administrative regions. Beijing is the capital, while Shanghai is the most populous city by urban area and largest financial ce

Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. Its territory comprises a main island, over 60 satellite islands and islets, and one outlying islet. The country is about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, bordering the Strait of Malacca to the west, the Singapore Strait to the south along with the Riau Islands in Indonesia, the South China Sea to the east and the Straits of Johor along with the State of Johor in Malaysia to the north.

Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main island of Taiwan, also known as Formosa, lies between the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast, and the Philippines to the south. It has an area of , with mountain ranges dominating the eastern two-thirds and plains in the western third, where its highly urbanized population is concentrated. The combined territories under ROC control consist of 168 islands in total covering . The largest metropolitan area

Hong Kong is a special administrative region of China. Situated on China's southern coast just south of Shenzhen, it consists of Hong Kong Island, Kowloon, and the New Territories. With 7.5 million residents in a 1,114-square-kilometre (430 sq mi) territory, Hong Kong is the fourth-most densely populated region in the world.

Macau or Macao is a special administrative region of China. It consists of the Macau Peninsula, the islands of Taipa and Coloane, the Cotai reclamation zone between Taipa and Coloane, and several smaller islets. It borders Zhuhai to the north and west, and it lies west of Hong Kong, separated by the Pearl River estuary. With a population of about people and a land area of , it is the most densely populated region in the world.

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